Neither side was able to break the deadlock at St Mirren Park
St Mirren and Kilmarnock were forced to settle for a draw as the defences came out on top in a scrappy draw.
Killie striker Connor Sammon headed over from David Fernandez's cross in a first half of few clear-cut chances.
St Mirren's veteran striker Jim Hamilton passed up the game's best opportunity, heading against the bar when he should perhaps have scored.
Mehdi Taouil almost won it for Kilmarnock late on, but his chipped effort also came back off the bar.
St Mirren handed a debut to on-loan Celtic defender Scott Cuthbert, who replaced the suspended Will Haining.
Hugh Murray, Stephen McGinn and Tom Brighton all dropped out of the starting eleven being replaced by Gary Mason, Tonet and Hamilton.
Kilmarnock new boy Donovan Simmons had to settle for a place on the bench as manager Jim Jefferies made one change from the side who beat Hibs last week - Frazer Wright replacing the injured Ryan O'Leary.
Neither side found it easy to carve out a clear-cut chance in the opening part of the game, with both defences dealing comfortably with early corners.
The home side were having the bulk of possession, but failed to take advantage when Wright misjudged a long ball.
Tonet managed a strike on goal after being inadvertently set up by Hamilton, but his shot was well off-target.
Sammon then went close for the visitors but his header flashed just over after a fine cross from Fernandez.
Stephen O'Donnell then had a chance following a good move from the Buddies, but the midfielder rushed his effort after a fine late run and the ball sailed over the bar.
St Mirren were dominating and Hamilton's back post header looked set to open the scoring but Simon Ford's desperate clearance prevented the goal.
Taouil fired in a tame effort after John Potter had cleared Jamie Fowler's cross, but his drive went straight to goalkeeper Mark Howard.
Garry Hay then blazed a left-footed shot wide after Craig Bryson played him in at the edge of the St Mirren box as the visitors enjoyed a spell of dominance.
Killie then almost went ahead through another Sammon header, but Potter managed to race back to clear the ball off the line with Howard beaten.
The second half began as the first half had ended, with Jack Ross putting in a last-ditch tackle to deny Sammon the chance to open the scoring.
Against the run of play, St Mirren carved out the best chance of the game, but Hamilton's header cannoned back off the crossbar following a good cross from Ross.
The visitors then survived a scare as Hamilton played a dangerous ball across the face of the goal, only for Bryson to hook the ball clear.
Bryson was involved at the other end almost immediately with a fine drive which tested Howard in the St Mirren goal.
Howard was called into action again, as he did well to hold the ball from another Sammon header heading for the top-right hand corner.
Taouil's looping effort late in the game had Howard beaten, but his neat effort was unfortunate to come crashing back off the bar.
Alan Combe, a spectator for much of the second-half, saved from O'Donnell at the death after the midfielder had bulldozed his way through the Killie defence.
St Mirren: Howard, Ross, Cuthbert, Potter, Miranda, Gilerao (Dorman 70), Mason, Brady, O'Donnell, Hamilton, Mehmet (Wyness 80). Subs Not Used: Smith, Murray, Brighton, Barron, McGinn.
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